diff --git a/doc/config-reference/source/tables/cinder-kaminario.rst b/doc/config-reference/source/tables/cinder-kaminario.rst
index bcf9c5b84d..321584152f 100644
--- a/doc/config-reference/source/tables/cinder-kaminario.rst
+++ b/doc/config-reference/source/tables/cinder-kaminario.rst
@@ -18,5 +18,5 @@
      - Description
    * - **[DEFAULT]**
      -
-   * - ``kaminario_nodedup_substring`` = ``K2-nodedup``
-     - (String) DEPRECATED: If volume-type name contains this substring nodedup volume will be created, otherwise dedup volume wil be created. This option is deprecated in favour of 'kaminario:thin_prov_type' in extra-specs and will be removed in the next release.
+   * - ``auto_calc_max_oversubscription_ratio`` = ``False``
+     - (Boolean) K2 driver will calculate max_oversubscription_ratio on setting this option as True.
diff --git a/tools/autogenerate-config-flagmappings/cinder.flagmappings b/tools/autogenerate-config-flagmappings/cinder.flagmappings
index 2761054ee7..3bec43ecda 100644
--- a/tools/autogenerate-config-flagmappings/cinder.flagmappings
+++ b/tools/autogenerate-config-flagmappings/cinder.flagmappings
@@ -4,6 +4,7 @@ allow_availability_zone_fallback common
 allowed_direct_url_schemes images
 api_rate_limit api
 auth_strategy auth
+auto_calc_max_oversubscription_ratio kaminario
 available_devices block-device
 az_cache_duration api
 backend_host api
@@ -358,7 +359,6 @@ iser_helper storage
 iser_ip_address storage
 iser_port storage
 iser_target_prefix storage
-kaminario_nodedup_substring kaminario
 keystone_catalog_info backups_swift
 lenovo_api_protocol lenovo
 lenovo_backend_name lenovo